1 * Wiznet w5x00 2 3 This is a standalone 10/100 MBit Ethernet cont 4 5 For each device connected to a SPI bus, define 6 the SPI master node. 7 8 Required properties: 9 - compatible: Should be one of the following s 10 "wiznet,w5100" 11 "wiznet,w5200" 12 "wiznet,w5500" 13 - reg: Specify the SPI chip select the chip is 14 - interrupts: Specify the interrupt index with 15 to above in interrupt-parent) an 16 generates falling edge interrupt 17 might invert the signal. 18 - pinctrl-names: List of assigned state names, 19 - pinctrl-0: List of phandles to configure the 20 see also generic and your platfor 21 documentation. 22 23 Optional properties: 24 - spi-max-frequency: Maximum frequency of the 25 According to the w5500 datasheet, the chip a 26 board designs may need to limit this value. 27 - local-mac-address: See ethernet.txt in the s 28 29 30 Example (for Raspberry Pi with pin control stu 31 32 &spi { 33 ethernet@0: w5500@0 { 34 compatible = "wiznet,w5500"; 35 reg = <0>; 36 pinctrl-names = "default"; 37 pinctrl-0 = <ð1_pins>; 38 interrupt-parent = <&gpio>; 39 interrupts = <25 IRQ_TYPE_EDGE 40 spi-max-frequency = <30000000> 41 }; 42 }; 43 44 &gpio { 45 eth1_pins: eth1_pins { 46 brcm,pins = <25>; 47 brcm,function = <0>; /* in */ 48 brcm,pull = <0>; /* none */ 49 }; 50 };
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